LCD video wall vs LED display vs OLED display

We often see large and small display screens in our life or work, but many people do not know which type of screens these screens belong to. Today, I am very happy to share with you about: LCD splicing screen, led display screen , The difference and difference of OLED transparent screen.

LED display
LED display

【LCD splicing screen】

The structure of the LCD splicing screen is to place liquid crystals in two parallel pieces of glass. There are many vertical and horizontal small wires between the two pieces of glass. The rod-shaped crystal molecules are controlled to change direction by whether they are powered on or not, and the light is refracted to produce screen.

The LCD splicing screen can be used as a display alone or spliced ​​into a large screen.

According to different needs, realize the functions of large and small screens: single screen split display, single screen separate display, any combination display, full screen LCD splicing, double splicing LCD screen splicing, vertical screen display, image border Optional compensation or masking, support digital signal roaming, zooming and stretching, multi-screen display, picture-in-picture, 3D playback, setting and running of various display plans, and real-time processing of full HD signals.

The LCD splicing screen is a single independent and complete display unit, which is ready to use, and the installation is like building blocks. The edge of the LCD splicing is only 0.9mm wide, and the surface is also covered with a tempered glass protective layer, a built-in intelligent temperature control alarm circuit and a unique “quick dissipation” cooling system.

It has everything, not only suitable for digital signal input, but also unique in supporting analog signals. In addition, there are many LCD splicing signal interfaces. Using DID LCD splicing technology, analog signals and digital signals can be connected at the same time. The latest LCD splicing technology can also Realize naked eye 3D intelligent effect.

【led display】

LED display (LED panel): LED is light emitting diode, the English abbreviation of light emitting diode, referred to as LED.

It is a display method by controlling semiconductor light-emitting diodes. Its general appearance is composed of many light-emitting diodes, usually red, and the characters are displayed by the lights on and off. A display screen used to display various information such as text, graphics, images, animations, market quotations, videos, and video signals. Shenzhen is the origin of LED display R&D and production.

The led screen can realize the conversion between different forms of various information presentation modes, and can be used indoors and outdoors, and has incomparable advantages over other display screens. With the characteristics of high brightness, low power consumption, low voltage demand, small and convenient equipment, long service life, stable impact resistance, and strong resistance to external interference, it has developed rapidly and is widely used in various fields.

Compared with LCD displays, LED displays have more advantages in terms of brightness, power consumption, viewing angle and refresh rate.

【Oled display】

OLED is also known as organic electric laser display, organic light-emitting semiconductor. OLED belongs to a current-type organic light-emitting device, which is a phenomenon of luminescence caused by the injection and recombination of carriers, and the luminous intensity is proportional to the injected current.

Under the action of the electric field, the holes generated by the anode and the electrons generated by the cathode will move, injected into the hole transport layer and the electron transport layer, respectively, and migrate to the light-emitting layer. When the two meet in the light-emitting layer, energy excitons are generated, thereby exciting the light-emitting molecules and finally producing visible light.

Due to its self-illumination, no need for a backlight, high contrast, thin thickness, wide viewing angle, fast response, flexible panels, wide operating temperature range, simple structure and process, it is considered to be the following excellent characteristics. Generation of Flat Panel Display Emerging Application Technology

Unlike traditional LCD displays, OLED display technology does not require a backlight and uses a very thin coating of organic materials and glass substrates that emit light when an electric current flows through them.

Moreover, the Oled display screen can be made lighter and thinner, with a larger viewing angle, and can significantly save power. In a word: OLED combines all the advantages of LCD and LED and is better, and abandons most of the shortcomings of both.

OLED display technology has been widely used in the field of smart phones and flat-panel TVs. Due to technical and cost constraints, it is rarely used in industrial-grade splicing large screens.

In recent years, with the continuous improvement of market trends and user demands for display, there will be more and more Oled display applications in the future.

OLED LCD screen, led display screen and LCD LCD screen comparison:

After understanding their working principles, you must have a general understanding of OLED LCD screen, LED LCD screen and LCD LCD screen. Let’s focus on the differences between the three.

First, on the color gamut:

The OLED LCD screen can display an infinite number of colors, and it is not affected by the backlight. The pixels are very advantageous when displaying a completely black picture. The color gamut of the LCD screen is currently 72% to 100%. The color gamut of the LED LCD screen is above 118 percent.

Second, on the price:

The LED LCD screen of the same size is more than twice as expensive as the LCD LCD screen, and the OLED LCD screen is more expensive.

Third, in terms of technological maturity:

Because LCD liquid crystal screen is a traditional display, it is much better than OLED liquid crystal screen and LED liquid crystal screen in terms of technological maturity. For example, the display response speed, OLED liquid crystal screen and LED liquid crystal screen are far less than LCD liquid crystal display. Screen.

Fourth, in terms of the angle of the display:

The OLED LCD screen is much better than the LED display screen and the LCD display screen. The specific performance is that the viewing angle of the LCD display screen is very small, while the LED LCD screen is not satisfactory in terms of layering and dynamic performance. The depth is also not good enough.

Fifth, the effect of splicing:

The led display can be spliced ​​into a seamless large screen by small modules, while there will be small edges around the LCD, and the large screen formed by splicing will have small gaps.

Therefore, they are different and play a pivotal role in different application fields. For users, they may choose different products according to their own budget and usage. I agree with this very much, because the products are suitable for them is a good product.



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